A EUROPEAN CONSULTANCY FIRM FOR THE CONSTRUCTION INDUSTRY. The complete consultancy firm was born out of the pooling of the skills of a number of specialists: the designer, the urban planner, the architect, the structural engineer, the physical engineer and the technical building engineer. Made up of highly trained and extremely experienced men and women, GROUPE H offers an international network of skills. Working in the countries of the European Union, GROUPE H offers the following services: Consultancy, design and implementation of any project involving urban or regional planning, environmental planning and protection, demolition or renovation of existing buildings, in addition to the construction of new buildings.